20495472652 has 24 divisors (see below), whose sum is σ = 36057823200. Its totient is φ = 10193364480.

The previous prime is 20495472623. The next prime is 20495472703. The reversal of 20495472652 is 25627459402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648252 + ... + 679132.

It is an arithmetic number, because the mean of its divisors is an integer number (1502409300).

Almost surely, 2^20495472652 is an apocalyptic number.

It is an amenable number.

20495472652 is a deficient number, since it is larger than the sum of its proper divisors (15562350548).

20495472652 is a wasteful number, since it uses less digits than its factorization.

20495472652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31761 (or 31759 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 20495472652 in words is "twenty billion, four hundred ninety-five million, four hundred seventy-two thousand, six hundred fifty-two".